Mickel, J. T. (The New York Botanical Garden, Bronx, NY 10458-5126, U.S.A.)
& A. R. Smith (University Herbarium, University of California, Berkeley, C
A 94720-2465, U.S.A.). Three new pteridophytes from Mexico. Brittonia 52: 2
34-237. 2000.--Two new species of ferns and a hybrid horsetail are describe
d from Mexico: Diplazium wendtii, Polypodium microgrammoides, and Equisetum
xhaukeanum.